A client has been taking tricyclic antidepressants for many years for the treatment of depression. The client has developed SIADH and has been admitted to the acute care facility. What should the nurse carefully monitor when caring for this client? (Select all that apply)
Neurologic function
Strict intake and output
Liver function tests
Signs of dehydration
Urine and blood chemistry
Correct Answer : A,B,E
Reasoning:
Choice A reason: Neurologic function must be monitored in SIADH, as excessive water retention causes hyponatremia, which can lead to cerebral edema, seizures, or altered mental status. Tricyclic antidepressants may exacerbate SIADH by stimulating ADH release, making neurologic assessment critical to detect complications like confusion or seizures early.
Choice B reason: Strict intake and output monitoring is essential in SIADH to manage fluid overload. Excessive ADH causes water retention, and tracking fluid balance helps guide fluid restriction therapy to correct hyponatremia. This ensures the nurse can assess the effectiveness of interventions and prevent worsening fluid accumulation.
Choice C reason: Liver function tests are not directly relevant to SIADH management. While tricyclic antidepressants can affect liver function, SIADH primarily involves water retention and hyponatremia, not hepatic issues. Monitoring liver function is more relevant for drug toxicity, not the fluid and electrolyte imbalances of SIADH.
Choice D reason: Signs of dehydration are not a concern in SIADH, which causes water retention and fluid overload. Dehydration is more typical of diabetes insipidus, where water loss occurs. In SIADH, the focus is on preventing excessive fluid accumulation, making dehydration monitoring unnecessary in this context.
Choice E reason: Urine and blood chemistry, including sodium and osmolality, are critical in SIADH to monitor hyponatremia and fluid status. Elevated urine osmolality and low serum sodium indicate ongoing ADH excess. Regular monitoring guides fluid restriction and therapy to correct electrolyte imbalances and prevent complications like cerebral edema.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
Reasoning:
Choice A reason: Dry mucous membranes support diabetes insipidus, as excessive water loss from polyuria due to ADH deficiency causes dehydration. This reduces moisture in mucosal tissues, leading to dryness in the mouth and throat, a common physical finding in dehydrated states associated with uncontrolled diabetes insipidus.
Choice B reason: Weight gain is not consistent with diabetes insipidus, which causes water loss through polyuria, leading to dehydration and potential weight loss. Weight gain is more typical of conditions like SIADH, where water retention increases body fluid volume, diluting sodium and causing hyponatremia.
Choice C reason: Poor skin turgor is a sign of dehydration, supporting diabetes insipidus. ADH deficiency leads to excessive dilute urine output, reducing body water content. This causes skin to lose elasticity, as subcutaneous tissues become dehydrated, making poor skin turgor a key physical finding in this condition.
Choice D reason: Hypotension is a clinical sign of diabetes insipidus due to hypovolemia from excessive water loss. Reduced blood volume decreases blood pressure, as the cardiovascular system struggles to maintain perfusion. This finding supports the nurse’s suspicion, as dehydration from polyuria is a hallmark of the condition.
Choice E reason: Decreased heart rate, or bradycardia, is not typical in diabetes insipidus. Dehydration from polyuria typically causes tachycardia as the heart compensates for reduced blood volume. A decreased heart rate may indicate another condition but does not support the diagnosis of diabetes insipidus in this context.
Correct Answer is ["A","B","D","E"]
Explanation
Reasoning:
Choice A reason: Monitoring weight is essential in Cushing’s syndrome, as excess cortisol promotes fat redistribution and weight gain. Regular weight checks help assess disease progression or treatment response, as weight gain in the trunk and face is a hallmark, and changes may indicate fluid retention or metabolic shifts.
Choice B reason: Administering prescribed diuretics is appropriate in Cushing’s syndrome when fluid retention causes edema or hypertension. Diuretics reduce excess fluid volume due to cortisol’s mineralocorticoid effects, which increase sodium and water retention, helping manage symptoms like swelling and elevated blood pressure effectively.
Choice C reason: A high sodium diet is contraindicated in Cushing’s syndrome, as cortisol’s mineralocorticoid activity causes sodium retention, leading to fluid overload and hypertension. A low-sodium diet is typically recommended to mitigate these effects and reduce the risk of edema and cardiovascular complications.
Choice D reason: Reporting blood pressure above 139/89 mm Hg is critical, as Cushing’s syndrome often causes hypertension due to cortisol’s effects on sodium retention and vascular tone. Elevated blood pressure increases cardiovascular risk, and prompt reporting ensures timely intervention to prevent complications like stroke or heart failure.
Choice E reason: Examining extremities for pitting edema is important, as cortisol’s mineralocorticoid effects cause sodium and water retention, leading to edema. Regular assessment helps detect fluid overload early, guiding diuretic therapy and fluid management to prevent complications like heart failure in clients with Cushing’s syndrome.
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